1017385280833 has 2 divisors, whose sum is σ = 1017385280834. Its totient is φ = 1017385280832.

The previous prime is 1017385280773. The next prime is 1017385280843. The reversal of 1017385280833 is 3380825837101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1016322064384 + 1063216449 = 1008128^2 + 32607^2 .

It is a cyclic number.

It is not a de Polignac number, because 1017385280833 - 2¹³ = 1017385272641 is a prime.

It is not a weakly prime, because it can be changed into another prime (1017385280843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 508692640416 + 508692640417.

It is an arithmetic number, because the mean of its divisors is an integer number (508692640417).

Almost surely, 2^{1017385280833} is an apocalyptic number.

It is an amenable number.

1017385280833 is a deficient number, since it is larger than the sum of its proper divisors (1).

1017385280833 is an equidigital number, since it uses as much as digits as its factorization.

1017385280833 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 1017385280833 in words is "one trillion, seventeen billion, three hundred eighty-five million, two hundred eighty thousand, eight hundred thirty-three".